]> git.openstreetmap.org Git - nominatim.git/blobdiff - lib/setup/SetupClass.php
make phpcs happy
[nominatim.git] / lib / setup / SetupClass.php
index b422ded16bfce9aafccb1bb0cc6ad4e49e6b490f..fd31f0fe4143b834b2fbf63d693ad2f08b17eefc 100755 (executable)
@@ -3,6 +3,7 @@
 namespace Nominatim\Setup;
 
 require_once(CONST_BasePath.'/lib/setup/AddressLevelParser.php');
+require_once(CONST_BasePath.'/lib/Shell.php');
 
 class SetupFunctions
 {
@@ -51,7 +52,7 @@ class SetupFunctions
         }
 
         // setting member variables based on command line options stored in $aCMDResult
-        $this->bQuiet = $aCMDResult['quiet'];
+        $this->bQuiet = isset($aCMDResult['quiet']) && $aCMDResult['quiet'];
         $this->bVerbose = $aCMDResult['verbose'];
 
         //setting default values which are not set by the update.php array
@@ -76,7 +77,7 @@ class SetupFunctions
             $this->bEnableDiffUpdates = false;
         }
 
-        $this->bDrop = $aCMDResult['drop'];
+        $this->bDrop = isset($aCMDResult['drop']) && $aCMDResult['drop'];
     }
 
     public function createDB()
@@ -84,36 +85,34 @@ class SetupFunctions
         info('Create DB');
         $oDB = new \Nominatim\DB;
 
-        if ($oDB->databaseExists()) {
+        if ($oDB->checkConnection()) {
             fail('database already exists ('.CONST_Database_DSN.')');
         }
 
-        $sCreateDBCmd = 'createdb -E UTF-8'
-            .' -p '.escapeshellarg($this->aDSNInfo['port'])
-            .' '.escapeshellarg($this->aDSNInfo['database']);
+        $oCmd = (new \Nominatim\Shell('createdb'))
+                ->addParams('-E', 'UTF-8')
+                ->addParams('-p', $this->aDSNInfo['port']);
+
         if (isset($this->aDSNInfo['username'])) {
-            $sCreateDBCmd .= ' -U '.escapeshellarg($this->aDSNInfo['username']);
+            $oCmd->addParams('-U', $this->aDSNInfo['username']);
+        }
+        if (isset($this->aDSNInfo['password'])) {
+            $oCmd->addEnvPair('PGPASSWORD', $this->aDSNInfo['password']);
         }
-
         if (isset($this->aDSNInfo['hostspec'])) {
-            $sCreateDBCmd .= ' -h '.escapeshellarg($this->aDSNInfo['hostspec']);
+            $oCmd->addParams('-h', $this->aDSNInfo['hostspec']);
         }
+        $oCmd->addParams($this->aDSNInfo['database']);
 
-        $result = $this->runWithPgEnv($sCreateDBCmd);
-        if ($result != 0) fail('Error executing external command: '.$sCreateDBCmd);
-    }
-
-    public function connect()
-    {
-        $this->oDB = new \Nominatim\DB();
-        $this->oDB->connect();
+        $result = $oCmd->run();
+        if ($result != 0) fail('Error executing external command: '.$oCmd->escapedCmd());
     }
 
     public function setupDB()
     {
         info('Setup DB');
 
-        $fPostgresVersion = $this->oDB->getPostgresVersion();
+        $fPostgresVersion = $this->db()->getPostgresVersion();
         echo 'Postgres version found: '.$fPostgresVersion."\n";
 
         if ($fPostgresVersion < 9.03) {
@@ -123,7 +122,7 @@ class SetupFunctions
         $this->pgsqlRunScript('CREATE EXTENSION IF NOT EXISTS hstore');
         $this->pgsqlRunScript('CREATE EXTENSION IF NOT EXISTS postgis');
 
-        $fPostgisVersion = $this->oDB->getPostgisVersion();
+        $fPostgisVersion = $this->db()->getPostgisVersion();
         echo 'Postgis version found: '.$fPostgisVersion."\n";
 
         if ($fPostgisVersion < 2.2) {
@@ -131,7 +130,7 @@ class SetupFunctions
             exit(1);
         }
 
-        $i = $this->oDB->getOne("select count(*) from pg_user where usename = '".CONST_Database_Web_User."'");
+        $i = $this->db()->getOne("select count(*) from pg_user where usename = '".CONST_Database_Web_User."'");
         if ($i == 0) {
             echo "\nERROR: Web user '".CONST_Database_Web_User."' does not exist. Create it with:\n";
             echo "\n          createuser ".CONST_Database_Web_User."\n\n";
@@ -174,41 +173,51 @@ class SetupFunctions
     {
         info('Import data');
 
-        $osm2pgsql = CONST_Osm2pgsql_Binary;
-        if (!file_exists($osm2pgsql)) {
+        if (!file_exists(CONST_Osm2pgsql_Binary)) {
             echo "Check CONST_Osm2pgsql_Binary in your local settings file.\n";
             echo "Normally you should not need to set this manually.\n";
-            fail("osm2pgsql not found in '$osm2pgsql'");
+            fail("osm2pgsql not found in '".CONST_Osm2pgsql_Binary."'");
         }
 
-        $osm2pgsql .= ' -S '.escapeshellarg(CONST_Import_Style);
+        $oCmd = new \Nominatim\Shell(CONST_Osm2pgsql_Binary);
+        $oCmd->addParams('--style', CONST_Import_Style);
 
         if (!is_null(CONST_Osm2pgsql_Flatnode_File) && CONST_Osm2pgsql_Flatnode_File) {
-            $osm2pgsql .= ' --flat-nodes '.escapeshellarg(CONST_Osm2pgsql_Flatnode_File);
-        }
-
-        if (CONST_Tablespace_Osm2pgsql_Data)
-            $osm2pgsql .= ' --tablespace-slim-data '.escapeshellarg(CONST_Tablespace_Osm2pgsql_Data);
-        if (CONST_Tablespace_Osm2pgsql_Index)
-            $osm2pgsql .= ' --tablespace-slim-index '.escapeshellarg(CONST_Tablespace_Osm2pgsql_Index);
-        if (CONST_Tablespace_Place_Data)
-            $osm2pgsql .= ' --tablespace-main-data '.escapeshellarg(CONST_Tablespace_Place_Data);
-        if (CONST_Tablespace_Place_Index)
-            $osm2pgsql .= ' --tablespace-main-index '.escapeshellarg(CONST_Tablespace_Place_Index);
-        $osm2pgsql .= ' -lsc -O gazetteer --hstore --number-processes 1';
-        $osm2pgsql .= ' -C '.escapeshellarg($this->iCacheMemory);
-        $osm2pgsql .= ' -P '.escapeshellarg($this->aDSNInfo['port']);
+            $oCmd->addParams('--flat-nodes', CONST_Osm2pgsql_Flatnode_File);
+        }
+        if (CONST_Tablespace_Osm2pgsql_Data) {
+            $oCmd->addParams('--tablespace-slim-data', CONST_Tablespace_Osm2pgsql_Data);
+        }
+        if (CONST_Tablespace_Osm2pgsql_Index) {
+            $oCmd->addParams('--tablespace-slim-index', CONST_Tablespace_Osm2pgsql_Index);
+        }
+        if (CONST_Tablespace_Place_Data) {
+            $oCmd->addParams('--tablespace-main-data', CONST_Tablespace_Place_Data);
+        }
+        if (CONST_Tablespace_Place_Index) {
+            $oCmd->addParams('--tablespace-main-index', CONST_Tablespace_Place_Index);
+        }
+        $oCmd->addParams('--latlong', '--slim', '--create');
+        $oCmd->addParams('--output', 'gazetteer');
+        $oCmd->addParams('--hstore');
+        $oCmd->addParams('--number-processes', 1);
+        $oCmd->addParams('--cache', $this->iCacheMemory);
+        $oCmd->addParams('--port', $this->aDSNInfo['port']);
+
         if (isset($this->aDSNInfo['username'])) {
-            $osm2pgsql .= ' -U '.escapeshellarg($this->aDSNInfo['username']);
+            $oCmd->addParams('--username', $this->aDSNInfo['username']);
+        }
+        if (isset($this->aDSNInfo['password'])) {
+            $oCmd->addEnvPair('PGPASSWORD', $this->aDSNInfo['password']);
         }
         if (isset($this->aDSNInfo['hostspec'])) {
-            $osm2pgsql .= ' -H '.escapeshellarg($this->aDSNInfo['hostspec']);
+            $oCmd->addParams('--host', $this->aDSNInfo['hostspec']);
         }
-        $osm2pgsql .= ' -d '.escapeshellarg($this->aDSNInfo['database']).' '.escapeshellarg($sOSMFile);
+        $oCmd->addParams('--database', $this->aDSNInfo['database']);
+        $oCmd->addParams($sOSMFile);
+        $oCmd->run();
 
-        $this->runWithPgEnv($osm2pgsql);
-
-        if (!$this->sIgnoreErrors && !$this->oDB->getRow('select * from place limit 1')) {
+        if (!$this->sIgnoreErrors && !$this->db()->getRow('select * from place limit 1')) {
             fail('No Data');
         }
 
@@ -242,7 +251,7 @@ class SetupFunctions
         }
 
         $oAlParser = new AddressLevelParser(CONST_Address_Level_Config);
-        $oAlParser->createTable($this->oDB, 'address_levels');
+        $oAlParser->createTable($this->db(), 'address_levels');
     }
 
     public function createTableTriggers()
@@ -290,40 +299,42 @@ class SetupFunctions
     {
         info('Drop old Data');
 
-        $this->oDB->exec('TRUNCATE word');
+        $oDB = $this->db();
+
+        $oDB->exec('TRUNCATE word');
         echo '.';
-        $this->oDB->exec('TRUNCATE placex');
+        $oDB->exec('TRUNCATE placex');
         echo '.';
-        $this->oDB->exec('TRUNCATE location_property_osmline');
+        $oDB->exec('TRUNCATE location_property_osmline');
         echo '.';
-        $this->oDB->exec('TRUNCATE place_addressline');
+        $oDB->exec('TRUNCATE place_addressline');
         echo '.';
-        $this->oDB->exec('TRUNCATE location_area');
+        $oDB->exec('TRUNCATE location_area');
         echo '.';
         if (!$this->dbReverseOnly()) {
-            $this->oDB->exec('TRUNCATE search_name');
+            $oDB->exec('TRUNCATE search_name');
             echo '.';
         }
-        $this->oDB->exec('TRUNCATE search_name_blank');
+        $oDB->exec('TRUNCATE search_name_blank');
         echo '.';
-        $this->oDB->exec('DROP SEQUENCE seq_place');
+        $oDB->exec('DROP SEQUENCE seq_place');
         echo '.';
-        $this->oDB->exec('CREATE SEQUENCE seq_place start 100000');
+        $oDB->exec('CREATE SEQUENCE seq_place start 100000');
         echo '.';
 
         $sSQL = 'select distinct partition from country_name';
-        $aPartitions = $this->oDB->getCol($sSQL);
+        $aPartitions = $oDB->getCol($sSQL);
 
         if (!$this->bNoPartitions) $aPartitions[] = 0;
         foreach ($aPartitions as $sPartition) {
-            $this->oDB->exec('TRUNCATE location_road_'.$sPartition);
+            $oDB->exec('TRUNCATE location_road_'.$sPartition);
             echo '.';
         }
 
         // used by getorcreate_word_id to ignore frequent partial words
         $sSQL = 'CREATE OR REPLACE FUNCTION get_maxwordfreq() RETURNS integer AS ';
         $sSQL .= '$$ SELECT '.CONST_Max_Word_Frequency.' as maxwordfreq; $$ LANGUAGE SQL IMMUTABLE';
-        $this->oDB->exec($sSQL);
+        $oDB->exec($sSQL);
         echo ".\n";
 
         // pre-create the word list
@@ -400,13 +411,13 @@ class SetupFunctions
         info('Reanalysing database');
         $this->pgsqlRunScript('ANALYSE');
 
-        $sDatabaseDate = getDatabaseDate($this->oDB);
-        $this->oDB->exec('TRUNCATE import_status');
+        $sDatabaseDate = getDatabaseDate($oDB);
+        $oDB->exec('TRUNCATE import_status');
         if (!$sDatabaseDate) {
             warn('could not determine database date.');
         } else {
             $sSQL = "INSERT INTO import_status (lastimportdate) VALUES('".$sDatabaseDate."')";
-            $this->oDB->exec($sSQL);
+            $oDB->exec($sSQL);
             echo "Latest data imported from $sDatabaseDate.\n";
         }
     }
@@ -484,7 +495,7 @@ class SetupFunctions
     public function calculatePostcodes($bCMDResultAll)
     {
         info('Calculate Postcodes');
-        $this->oDB->exec('TRUNCATE location_postcode');
+        $this->db()->exec('TRUNCATE location_postcode');
 
         $sSQL  = 'INSERT INTO location_postcode';
         $sSQL .= ' (place_id, indexed_status, country_code, postcode, geometry) ';
@@ -495,7 +506,7 @@ class SetupFunctions
         $sSQL .= " WHERE address ? 'postcode' AND address->'postcode' NOT SIMILAR TO '%(,|;)%'";
         $sSQL .= '       AND geometry IS NOT null';
         $sSQL .= ' GROUP BY country_code, pc';
-        $this->oDB->exec($sSQL);
+        $this->db()->exec($sSQL);
 
         // only add postcodes that are not yet available in OSM
         $sSQL  = 'INSERT INTO location_postcode';
@@ -505,7 +516,7 @@ class SetupFunctions
         $sSQL .= '  FROM us_postcode WHERE postcode NOT IN';
         $sSQL .= '        (SELECT postcode FROM location_postcode';
         $sSQL .= "          WHERE country_code = 'us')";
-        $this->oDB->exec($sSQL);
+        $this->db()->exec($sSQL);
 
         // add missing postcodes for GB (if available)
         $sSQL  = 'INSERT INTO location_postcode';
@@ -514,62 +525,80 @@ class SetupFunctions
         $sSQL .= '  FROM gb_postcode WHERE postcode NOT IN';
         $sSQL .= '           (SELECT postcode FROM location_postcode';
         $sSQL .= "             WHERE country_code = 'gb')";
-        $this->oDB->exec($sSQL);
+        $this->db()->exec($sSQL);
 
         if (!$bCMDResultAll) {
             $sSQL = "DELETE FROM word WHERE class='place' and type='postcode'";
             $sSQL .= 'and word NOT IN (SELECT postcode FROM location_postcode)';
-            $this->oDB->exec($sSQL);
+            $this->db()->exec($sSQL);
         }
 
         $sSQL = 'SELECT count(getorcreate_postcode_id(v)) FROM ';
         $sSQL .= '(SELECT distinct(postcode) as v FROM location_postcode) p';
-        $this->oDB->exec($sSQL);
+        $this->db()->exec($sSQL);
     }
 
     public function index($bIndexNoanalyse)
     {
-        $sOutputFile = '';
-        $sBaseCmd = CONST_BasePath.'/nominatim/nominatim.py'
-            .' -d '.escapeshellarg($this->aDSNInfo['database'])
-            .' -P '.escapeshellarg($this->aDSNInfo['port'])
-            .' -t '.escapeshellarg($this->iInstances.$sOutputFile);
+        checkModulePresence(); // raises exception on failure
+
+        $oBaseCmd = (new \Nominatim\Shell(CONST_BasePath.'/nominatim/nominatim.py'))
+                    ->addParams('--database', $this->aDSNInfo['database'])
+                    ->addParams('--port', $this->aDSNInfo['port'])
+                    ->addParams('--threads', $this->iInstances);
+
         if (!$this->bQuiet) {
-            $sBaseCmd .= ' -v';
+            $oBaseCmd->addParams('-v');
         }
         if ($this->bVerbose) {
-            $sBaseCmd .= ' -v';
+            $oBaseCmd->addParams('-v');
         }
         if (isset($this->aDSNInfo['hostspec'])) {
-            $sBaseCmd .= ' -H '.escapeshellarg($this->aDSNInfo['hostspec']);
+            $oBaseCmd->addParams('--host', $this->aDSNInfo['hostspec']);
         }
         if (isset($this->aDSNInfo['username'])) {
-            $sBaseCmd .= ' -U '.escapeshellarg($this->aDSNInfo['username']);
+            $oBaseCmd->addParams('--user', $this->aDSNInfo['username']);
+        }
+        if (isset($this->aDSNInfo['password'])) {
+            $oBaseCmd->addEnvPair('PGPASSWORD', $this->aDSNInfo['password']);
         }
 
         info('Index ranks 0 - 4');
-        $iStatus = $this->runWithPgEnv($sBaseCmd.' -R 4');
+        $oCmd = (clone $oBaseCmd)->addParams('--maxrank', 4);
+        echo $oCmd->escapedCmd();
+
+        $iStatus = $oCmd->run();
         if ($iStatus != 0) {
             fail('error status ' . $iStatus . ' running nominatim!');
         }
         if (!$bIndexNoanalyse) $this->pgsqlRunScript('ANALYSE');
 
+        info('Index administrative boundaries');
+        $oCmd = (clone $oBaseCmd)->addParams('-b');
+        $iStatus = $oCmd->run();
+        if ($iStatus != 0) {
+            fail('error status ' . $iStatus . ' running nominatim!');
+        }
+
         info('Index ranks 5 - 25');
-        $iStatus = $this->runWithPgEnv($sBaseCmd.' -r 5 -R 25');
+        $oCmd = (clone $oBaseCmd)->addParams('--minrank', 5, '--maxrank', 25);
+        $iStatus = $oCmd->run();
         if ($iStatus != 0) {
             fail('error status ' . $iStatus . ' running nominatim!');
         }
+
         if (!$bIndexNoanalyse) $this->pgsqlRunScript('ANALYSE');
 
         info('Index ranks 26 - 30');
-        $iStatus = $this->runWithPgEnv($sBaseCmd.' -r 26');
+        $oCmd = (clone $oBaseCmd)->addParams('--minrank', 26);
+        $iStatus = $oCmd->run();
         if ($iStatus != 0) {
             fail('error status ' . $iStatus . ' running nominatim!');
         }
 
         info('Index postcodes');
         $sSQL = 'UPDATE location_postcode SET indexed_status = 0';
-        $this->oDB->exec($sSQL);
+        $this->db()->exec($sSQL);
     }
 
     public function createSearchIndices()
@@ -578,11 +607,11 @@ class SetupFunctions
 
         $sSQL = 'SELECT relname FROM pg_class, pg_index ';
         $sSQL .= 'WHERE pg_index.indisvalid = false AND pg_index.indexrelid = pg_class.oid';
-        $aInvalidIndices = $this->oDB->getCol($sSQL);
+        $aInvalidIndices = $this->db()->getCol($sSQL);
 
         foreach ($aInvalidIndices as $sIndexName) {
             info("Cleaning up invalid index $sIndexName");
-            $this->oDB->exec("DROP INDEX $sIndexName;");
+            $this->db()->exec("DROP INDEX $sIndexName;");
         }
 
         $sTemplate = file_get_contents(CONST_BasePath.'/sql/indices.src.sql');
@@ -652,7 +681,7 @@ class SetupFunctions
                        );
 
         $aDropTables = array();
-        $aHaveTables = $this->oDB->getCol("SELECT tablename FROM pg_tables WHERE schemaname='public'");
+        $aHaveTables = $this->db()->getListOfTables();
 
         foreach ($aHaveTables as $sTable) {
             $bFound = false;
@@ -671,6 +700,57 @@ class SetupFunctions
         $this->removeFlatnodeFile();
     }
 
+    /**
+     * Setup settings-frontend.php in the build/website directory
+     *
+     * @return null
+     */
+    public function setupWebsite()
+    {
+        $rOutputFile = fopen(CONST_InstallPath.'/settings/settings-frontend.php', 'w');
+
+        fwrite($rOutputFile, "<?php
+@define('CONST_BasePath', '".CONST_BasePath."');
+if (file_exists(getenv('NOMINATIM_SETTINGS'))) require_once(getenv('NOMINATIM_SETTINGS'));
+
+@define('CONST_Database_DSN', '".CONST_Database_DSN."');
+@define('CONST_Default_Language', ".(CONST_Default_Language ? ("'".CONST_Default_Language."'") : 'false').");
+@define('CONST_Log_DB', ".(CONST_Log_DB ? 'true' : 'false').");
+@define('CONST_Log_File', ".(CONST_Log_File ? ("'".CONST_Log_File."'")  : 'false').");
+@define('CONST_Max_Word_Frequency', '".CONST_Max_Word_Frequency."');
+@define('CONST_NoAccessControl', ".CONST_NoAccessControl.");
+@define('CONST_Places_Max_ID_count', ".CONST_Places_Max_ID_count.");
+@define('CONST_PolygonOutput_MaximumTypes', ".CONST_PolygonOutput_MaximumTypes.");
+@define('CONST_Search_AreaPolygons', ".CONST_Search_AreaPolygons.");
+@define('CONST_Search_BatchMode', ".(CONST_Search_BatchMode ? 'true' : 'false').");
+@define('CONST_Search_NameOnlySearchFrequencyThreshold', ".CONST_Search_NameOnlySearchFrequencyThreshold.");
+@define('CONST_Search_ReversePlanForAll', ".CONST_Search_ReversePlanForAll.");
+@define('CONST_Term_Normalization_Rules', \"".CONST_Term_Normalization_Rules."\");
+@define('CONST_Use_Aux_Location_data', ".(CONST_Use_Aux_Location_data ? 'true' : 'false').");
+@define('CONST_Use_US_Tiger_Data', ".(CONST_Use_US_Tiger_Data ? 'true' : 'false').");
+@define('CONST_MapIcon_URL', ".(CONST_MapIcon_URL ? ("'".CONST_MapIcon_URL."'") : 'false').');
+');
+        info(CONST_InstallPath.'/settings/settings-frontend.php has been set up successfully');
+    }
+
+    /**
+     * Return the connection to the database.
+     *
+     * @return Database object.
+     *
+     * Creates a new connection if none exists yet. Otherwise reuses the
+     * already established connection.
+     */
+    private function db()
+    {
+        if (is_null($this->oDB)) {
+            $this->oDB = new \Nominatim\DB();
+            $this->oDB->connect();
+        }
+
+        return $this->oDB;
+    }
+
     private function removeFlatnodeFile()
     {
         if (!is_null(CONST_Osm2pgsql_Flatnode_File) && CONST_Osm2pgsql_Flatnode_File) {
@@ -696,16 +776,17 @@ class SetupFunctions
         $sBasePath = CONST_BasePath.'/sql/functions/';
         $sTemplate = file_get_contents($sBasePath.'utils.sql');
         $sTemplate .= file_get_contents($sBasePath.'normalization.sql');
+        $sTemplate .= file_get_contents($sBasePath.'ranking.sql');
         $sTemplate .= file_get_contents($sBasePath.'importance.sql');
         $sTemplate .= file_get_contents($sBasePath.'address_lookup.sql');
         $sTemplate .= file_get_contents($sBasePath.'interpolation.sql');
-        if ($this->oDB->tableExists('place')) {
+        if ($this->db()->tableExists('place')) {
             $sTemplate .= file_get_contents($sBasePath.'place_triggers.sql');
         }
-        if ($this->oDB->tableExists('placex')) {
+        if ($this->db()->tableExists('placex')) {
             $sTemplate .= file_get_contents($sBasePath.'placex_triggers.sql');
         }
-        if ($this->oDB->tableExists('location_postcode')) {
+        if ($this->db()->tableExists('location_postcode')) {
             $sTemplate .= file_get_contents($sBasePath.'postcode_triggers.sql');
         }
         $sTemplate = str_replace('{modulepath}', $this->sModulePath, $sTemplate);
@@ -734,7 +815,7 @@ class SetupFunctions
     private function pgsqlRunPartitionScript($sTemplate)
     {
         $sSQL = 'select distinct partition from country_name';
-        $aPartitions = $this->oDB->getCol($sSQL);
+        $aPartitions = $this->db()->getCol($sSQL);
         if (!$this->bNoPartitions) $aPartitions[] = 0;
 
         preg_match_all('#^-- start(.*?)^-- end#ms', $sTemplate, $aMatches, PREG_SET_ORDER);
@@ -753,21 +834,21 @@ class SetupFunctions
     {
         if (!file_exists($sFilename)) fail('unable to find '.$sFilename);
 
-        $sCMD = 'psql'
-            .' -p '.escapeshellarg($this->aDSNInfo['port'])
-            .' -d '.escapeshellarg($this->aDSNInfo['database']);
+        $oCmd = (new \Nominatim\Shell('psql'))
+                ->addParams('--port', $this->aDSNInfo['port'])
+                ->addParams('--dbname', $this->aDSNInfo['database']);
+
         if (!$this->bVerbose) {
-            $sCMD .= ' -q';
+            $oCmd->addParams('--quiet');
         }
         if (isset($this->aDSNInfo['hostspec'])) {
-            $sCMD .= ' -h '.escapeshellarg($this->aDSNInfo['hostspec']);
+            $oCmd->addParams('--host', $this->aDSNInfo['hostspec']);
         }
         if (isset($this->aDSNInfo['username'])) {
-            $sCMD .= ' -U '.escapeshellarg($this->aDSNInfo['username']);
+            $oCmd->addParams('--username', $this->aDSNInfo['username']);
         }
-        $aProcEnv = null;
         if (isset($this->aDSNInfo['password'])) {
-            $aProcEnv = array_merge(array('PGPASSWORD' => $this->aDSNInfo['password']), $_ENV);
+            $oCmd->addEnvPair('PGPASSWORD', $this->aDSNInfo['password']);
         }
         $ahGzipPipes = null;
         if (preg_match('/\\.gz$/', $sFilename)) {
@@ -776,12 +857,14 @@ class SetupFunctions
                              1 => array('pipe', 'w'),
                              2 => array('file', '/dev/null', 'a')
                             );
-            $hGzipProcess = proc_open('zcat '.escapeshellarg($sFilename), $aDescriptors, $ahGzipPipes);
+            $oZcatCmd = new \Nominatim\Shell('zcat', $sFilename);
+
+            $hGzipProcess = proc_open($oZcatCmd->escapedCmd(), $aDescriptors, $ahGzipPipes);
             if (!is_resource($hGzipProcess)) fail('unable to start zcat');
             $aReadPipe = $ahGzipPipes[1];
             fclose($ahGzipPipes[0]);
         } else {
-            $sCMD .= ' -f '.escapeshellarg($sFilename);
+            $oCmd->addParams('--file', $sFilename);
             $aReadPipe = array('pipe', 'r');
         }
         $aDescriptors = array(
@@ -790,7 +873,8 @@ class SetupFunctions
                          2 => array('file', '/dev/null', 'a')
                         );
         $ahPipes = null;
-        $hProcess = proc_open($sCMD, $aDescriptors, $ahPipes, null, $aProcEnv);
+
+        $hProcess = proc_open($oCmd->escapedCmd(), $aDescriptors, $ahPipes, null, $oCmd->aEnv);
         if (!is_resource($hProcess)) fail('unable to start pgsql');
         // TODO: error checking
         while (!feof($ahPipes[1])) {
@@ -831,34 +915,17 @@ class SetupFunctions
         return $sSql;
     }
 
-    private function runWithPgEnv($sCmd)
-    {
-        if ($this->bVerbose) {
-            echo "Execute: $sCmd\n";
-        }
-
-        $aProcEnv = null;
-
-        if (isset($this->aDSNInfo['password'])) {
-            $aProcEnv = array_merge(array('PGPASSWORD' => $this->aDSNInfo['password']), $_ENV);
-        }
-
-        return runWithEnv($sCmd, $aProcEnv);
-    }
-
     /**
      * Drop table with the given name if it exists.
      *
      * @param string $sName Name of table to remove.
      *
      * @return null
-     *
-     * @pre connect() must have been called.
      */
     private function dropTable($sName)
     {
         if ($this->bVerbose) echo "Dropping table $sName\n";
-        $this->oDB->exec('DROP TABLE IF EXISTS '.$sName.' CASCADE');
+        $this->db()->deleteTable($sName);
     }
 
     /**
@@ -868,6 +935,6 @@ class SetupFunctions
      */
     private function dbReverseOnly()
     {
-        return !($this->oDB->tableExists('search_name'));
+        return !($this->db()->tableExists('search_name'));
     }
 }